X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fthread%2Ffixed.ts;h=78ef12f87744729733f7434bdbb21a299f286b63;hb=7f0e133432b540753bcdd06160d1363e9fe65437;hp=32107e48635314e25269cc37e2c0ad7fdd3fcd75;hpb=0676e5d32c8f8ee5c5b7f5998f4973b0a276460f;p=poolifier.git

diff --git a/src/pools/thread/fixed.ts b/src/pools/thread/fixed.ts
index 32107e48..78ef12f8 100644
--- a/src/pools/thread/fixed.ts
+++ b/src/pools/thread/fixed.ts
@@ -1,28 +1,17 @@
 import {
-  type MessageChannel,
-  type MessagePort,
-  SHARE_ENV,
   type TransferListItem,
-  Worker,
-  type WorkerOptions,
+  type Worker,
   isMainThread
 } from 'node:worker_threads'
-import type { MessageValue } from '../../utility-types'
-import { AbstractPool } from '../abstract-pool'
-import { type PoolOptions, type PoolType, PoolTypes } from '../pool'
-import { type WorkerType, WorkerTypes } from '../worker'
+import type { MessageValue } from '../../utility-types.js'
+import { AbstractPool } from '../abstract-pool.js'
+import { type PoolOptions, type PoolType, PoolTypes } from '../pool.js'
+import { type WorkerType, WorkerTypes } from '../worker.js'
 
 /**
  * Options for a poolifier thread pool.
  */
-export interface ThreadPoolOptions extends PoolOptions<Worker> {
-  /**
-   * Worker options.
-   *
-   * @see https://nodejs.org/api/worker_threads.html#new-workerfilename-options
-   */
-  workerOptions?: WorkerOptions
-}
+export type ThreadPoolOptions = PoolOptions<Worker>
 
 /**
  * A thread pool with a fixed number of threads.
@@ -46,9 +35,10 @@ export class FixedThreadPool<
   public constructor (
     numberOfThreads: number,
     filePath: string,
-    protected readonly opts: ThreadPoolOptions = {}
+    opts: ThreadPoolOptions = {},
+    maximumNumberOfThreads?: number
   ) {
-    super(numberOfThreads, filePath, opts)
+    super(numberOfThreads, filePath, opts, maximumNumberOfThreads)
   }
 
   /** @inheritDoc */
@@ -56,44 +46,27 @@ export class FixedThreadPool<
     return isMainThread
   }
 
-  /** @inheritDoc */
-  protected async destroyWorkerNode (workerNodeKey: number): Promise<void> {
-    this.flushTasksQueue(workerNodeKey)
-    // FIXME: wait for tasks to be finished
-    const workerNode = this.workerNodes[workerNodeKey]
-    const worker = workerNode.worker
-    const waitWorkerExit = new Promise<void>((resolve) => {
-      worker.on('exit', () => {
-        resolve()
-      })
-    })
-    await this.sendKillMessageToWorker(workerNodeKey, worker.threadId)
-    workerNode.closeChannel()
-    await worker.terminate()
-    await waitWorkerExit
-  }
-
   /** @inheritDoc */
   protected sendToWorker (
     workerNodeKey: number,
     message: MessageValue<Data>,
     transferList?: TransferListItem[]
   ): void {
-    (
-      this.workerNodes[workerNodeKey].messageChannel as MessageChannel
-    ).port1.postMessage(message, transferList)
+    this.workerNodes[workerNodeKey].messageChannel?.port1.postMessage(
+      { ...message, workerId: this.getWorkerInfo(workerNodeKey)?.id },
+      transferList
+    )
   }
 
   /** @inheritDoc */
   protected sendStartupMessageToWorker (workerNodeKey: number): void {
-    const worker = this.workerNodes[workerNodeKey].worker
-    const port2: MessagePort = (
-      this.workerNodes[workerNodeKey].messageChannel as MessageChannel
-    ).port2
-    worker.postMessage(
+    const workerNode = this.workerNodes[workerNodeKey]
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    const port2 = workerNode.messageChannel!.port2
+    workerNode.worker.postMessage(
       {
         ready: false,
-        workerId: worker.threadId,
+        workerId: this.getWorkerInfo(workerNodeKey)?.id,
         port: port2
       },
       [port2]
@@ -105,17 +78,42 @@ export class FixedThreadPool<
     workerNodeKey: number,
     listener: (message: MessageValue<Message>) => void
   ): void {
-    (
-      this.workerNodes[workerNodeKey].messageChannel as MessageChannel
-    ).port1.on('message', listener)
+    this.workerNodes[workerNodeKey].messageChannel?.port1.on(
+      'message',
+      listener
+    )
+  }
+
+  /** @inheritDoc */
+  protected registerOnceWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].messageChannel?.port1.once(
+      'message',
+      listener
+    )
+  }
+
+  /** @inheritDoc */
+  protected deregisterWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].messageChannel?.port1.off(
+      'message',
+      listener
+    )
+  }
+
+  /** @inheritDoc */
+  protected shallCreateDynamicWorker (): boolean {
+    return false
   }
 
   /** @inheritDoc */
-  protected createWorker (): Worker {
-    return new Worker(this.filePath, {
-      env: SHARE_ENV,
-      ...this.opts.workerOptions
-    })
+  protected checkAndEmitDynamicWorkerCreationEvents (): void {
+    /* noop */
   }
 
   /** @inheritDoc */